Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 816, 824 i.e. 8 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 816 and 824 is 8.
GCF(816,824) = 8
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 816
2 | 816 |
2 | 408 |
2 | 204 |
2 | 102 |
3 | 51 |
17 | 17 |
1 |
Prime factors of 816 are 2,3,17. Prime factorization of 816 in exponential form is:
816 = 24×31×171
Prime Factorization of 824
2 | 824 |
2 | 412 |
2 | 206 |
103 | 103 |
1 |
Prime factors of 824 are 2,103. Prime factorization of 824 in exponential form is:
824 = 23×1031
∴ So by taking common prime factors GCF of 816 and 824 is 8
Factors of 816
List of positive integer factors of 816 that divides 816 without a remainder.
1,2,3,4,6,8,12,16,17,24,34,48,51,68,102,136,204,272,408,816
Factors of 824
List of positive integer factors of 824 that divides 824 without a remainder.
1,2,4,8,103,206,412,824
Greatest Common Factor
We found the factors and prime factorization of 816 and 824. The biggest common factor number is the GCF number.
So the greatest common factor 816 and 824 is 8.
Also check out the Least Common Multiple of 816 and 824
(i) The GCF of 816 and 824 is associative
GCF of 816 and 824 = GCF of 824 and 816
1. What is the GCF of 816 and 824?
Answer: GCF of 816 and 824 is 8.
2. What are the Factors of 816?
Answer: Factors of 816 are 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816. There are 20 integers that are factors of 816. The greatest factor of 816 is 816.
3. What are the Factors of 824?
Answer: Factors of 824 are 1, 2, 4, 8, 103, 206, 412, 824. There are 8 integers that are factors of 824. The greatest factor of 824 is 824.
4. How to Find the GCF of 816 and 824?
Answer:
Greatest Common Factor of 816 and 824 = 8
Step 1: Find the prime factorization of 816
816 = 2 x 2 x 2 x 2 x 3 x 17
Step 2: Find the prime factorization of 824
824 = 2 x 2 x 2 x 103
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 x 2 = 8
Step 4: Therefore, the greatest common factor of 816 and 824 is 8